What began as a rare summer sighting of black-necked cranes in the highlands of Haa has now turned into a promising symbol of ecological resilience. Since 2020, these migratory birds—more commonly associated with Bhutan’s winter valleys—have been breeding consistently in the remote pastures of Langjab, a pristine area nestled within the Jigme Khesar Strict Nature Reserve.
This year, the trend continues. Rangers confirmed the presence of two adult black-necked cranes along with two eggs at Langjab, reaffirming the site’s growing importance as a summer breeding ground. While the cranes typically breed on the Tibetan plateau before migrating to Bhutan for winter, the pattern in Haa is defying expectations.
According to officials at the reserve, the cranes follow a predictable journey each summer. They first arrive at Lolithang, make a brief stop at Hala-Jula, and finally settle at Langjab—an area situated 4,000 metres above sea level. Here, crucial breeding activities such as egg-laying, hatching, and chick-rearing unfold.
“Langjab is untouched and remote,” said Wangchuk, a ranger at the reserve. “There are no human settlements or development activities. This makes it an ideal sanctuary for the cranes.”
The environment offers not just seclusion but also abundant food, supporting the rearing of chicks until they are ready to join the adults on their southward winter migration. Yet, this fragile haven is not without threats.
Reserve officials have raised concerns over the presence of stray dogs and herders moving through the region. “Because Langjab is far from our base, it takes almost a day to reach,” explained Wangchuk. “We cannot monitor the area constantly, and human movement, especially with dogs, poses a risk to the habitat.”
Despite these challenges, the consistent return of the cranes each summer is being seen as more than a fluke. The breeding success at Langjab highlights the area’s ecological significance and its potential to play a crucial role in the conservation of the vulnerable species.
Black-necked cranes are listed as vulnerable globally and are deeply revered in Bhutanese culture. Each winter, they migrate to Bhutan’s lowland valleys such as Phobjikha and Bumdeling. This year, the Royal Society for Protection of Nature (RSPN) recorded over 700 cranes during the annual winter count in Bhutan.
As conservationists and rangers keep watch, the cranes’ quiet return to Langjab serves as a reminder of nature’s ability to adapt—and the responsibility to protect it. What was once considered an anomaly is now a testament to Bhutan’s unique and evolving conservation landscape.
